Brazil Potash Corp. Common Shares (GRO)'s 30-day implied volatility (IV30) was 81.5% at the close on October 23, 2026, up from 59.6% the day before, against a 52-week range of 48.2% to 105.6%. Its 20-day historical volatility was 77.8%.

Key numbers

30-day implied volatility (IV30): 81.5%
IV30 52-week range: 48.2% to 105.6% (median 71.9%)
Historical volatility: 20-day 77.8%, 1-year 85.2%
Implied move by the nearest expiration: ±3.8%

Data as of October 23, 2026.

GRO Implied Volatility (IV) vs Historical Volatility (HV)

Name: GRO Implied Volatility
Creator: Market Chameleon